Senior Penetration Tester – Offensive Security Specialist

CRIMSONLOGIC PTE LTD; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

CrimsonLogic PTE LTD is seeking an experienced Penetration Tester in Singapore to conduct full-scope offensive security assessments across networks, applications, cloud environments, and OT. You will simulate advanced cyberattacks, bypass defenses, and deliver remediation strategies to strengthen security posture.

The role requires a CREST certification, at least 3 years of hands-on pentesting, and a strong ability to document findings and collaborate with stakeholders to close reports and

Qualifications

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or related field.
• Equivalent experience may be considered in lieu of formal education.
• At least 3 years of hands-on experience in penetration testing.

Responsibilities

• Conduct comprehensive penetration tests on applications, systems and networks.
• Simulate real-world cyberattacks to evaluate security posture.
• Provide remediation strategies and track resolution until report closure.
• Perform system commissioning security clearance reviews.
• Review and validate false positives from web penetration tests and secure code scans.
• Conduct security baseline hardening reviews across infrastructure and applications.
• Perform firewall rule reviews and security configuration assessments.
• Assist in risk assessments and control gap analysis.
• Document security risks in the enterprise risk register.
• Evaluate compliance with security frameworks and regulatory requirements.

Skills

Penetration testing

Vulnerability research

Security frameworks

Communication skills

Education

Bachelor's degree in Cybersecurity/IT/CS

Tools

Metasploit

Burp Suite

Kali Linux

Nmap

Job description

CrimsonLogic PTE LTD is seeking an experienced Penetration Tester in Singapore to conduct full-scope offensive security assessments across networks, applications, cloud environments, and OT. You will simulate advanced cyberattacks, bypass defenses, and deliver remediation strategies to strengthen security posture.

The role requires a CREST certification, at least 3 years of hands-on pentesting, and a strong ability to document findings and collaborate with stakeholders to close reports and